Details Y&Y Clip Up Belay Glasses Y&Y's Clip Up Belay Glasses are specially designed for people who already wear glasses! Whether you wear glasses everyday, or just in the sun - and whatever the shape of your frame, Clip Ups use trapezoidal prisms for a wider view of your climbing partner without craning your neck and you can simply flip them up when your belaying duties are done. Specifications Clip Up Belay Glasses